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micropython/mpy-cross/main.c

345 lines
14 KiB

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013-2016 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "py/builtin.h"
#include "py/compile.h"
#include "py/persistentcode.h"
#include "py/runtime.h"
#include "py/gc.h"
#include "py/stackctrl.h"
#include "genhdr/mpversion.h"
#ifdef _WIN32
#include "ports/windows/fmode.h"
#endif
// Command line options, with their defaults
STATIC uint emit_opt = MP_EMIT_OPT_NONE;
mp_uint_t mp_verbose_flag = 0;
// Heap size of GC heap (if enabled)
// Make it larger on a 64 bit machine, because pointers are larger.
long heap_size = 1024 * 1024 * (sizeof(mp_uint_t) / 4);
STATIC void stderr_print_strn(void *env, const char *str, size_t len) {
(void)env;
ssize_t dummy = write(STDERR_FILENO, str, len);
(void)dummy;
}
STATIC const mp_print_t mp_stderr_print = {NULL, stderr_print_strn};
STATIC int compile_and_save(const char *file, const char *output_file, const char *source_file) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_lexer_t *lex = mp_lexer_new_from_file(file);
qstr source_name;
if (source_file == NULL) {
source_name = lex->source_name;
} else {
source_name = qstr_from_str(source_file);
}
#if MICROPY_PY___FILE__
mp_store_global(MP_QSTR___file__, MP_OBJ_NEW_QSTR(source_name));
#endif
mp_parse_tree_t parse_tree = mp_parse(lex, MP_PARSE_FILE_INPUT);
mp_module_context_t *ctx = m_new_obj(mp_module_context_t);
mp_compiled_module_t cm = mp_compile_to_raw_code(&parse_tree, source_name, false, ctx);
vstr_t vstr;
vstr_init(&vstr, 16);
if (output_file == NULL) {
vstr_add_str(&vstr, file);
vstr_cut_tail_bytes(&vstr, 2);
vstr_add_str(&vstr, "mpy");
} else {
vstr_add_str(&vstr, output_file);
}
mp_raw_code_save_file(&cm, vstr_null_terminated_str(&vstr));
vstr_clear(&vstr);
nlr_pop();
return 0;
} else {
// uncaught exception
mp_obj_print_exception(&mp_stderr_print, (mp_obj_t)nlr.ret_val);
return 1;
}
}
STATIC int usage(char **argv) {
printf(
"usage: %s [<opts>] [-X <implopt>] <input filename>\n"
"Options:\n"
"--version : show version information\n"
"-o : output file for compiled bytecode (defaults to input with .mpy extension)\n"
"-s : source filename to embed in the compiled bytecode (defaults to input file)\n"
"-v : verbose (trace various operations); can be multiple\n"
"-O[N] : apply bytecode optimizations of level N\n"
"\n"
"Target specific options:\n"
"-msmall-int-bits=number : set the maximum bits used to encode a small-int\n"
"-march=<arch> : set architecture for native emitter; x86, x64, armv6, armv6m, armv7m, armv7em, armv7emsp, armv7emdp, xtensa, xtensawin\n"
"\n"
"Implementation specific options:\n", argv[0]
);
int impl_opts_cnt = 0;
printf(
#if MICROPY_EMIT_NATIVE
" emit={bytecode,native,viper} -- set the default code emitter\n"
#else
" emit=bytecode -- set the default code emitter\n"
#endif
);
impl_opts_cnt++;
printf(
" heapsize=<n> -- set the heap size for the GC (default %ld)\n"
, heap_size);
impl_opts_cnt++;
if (impl_opts_cnt == 0) {
printf(" (none)\n");
}
return 1;
}
// Process options which set interpreter init options
STATIC void pre_process_options(int argc, char **argv) {
for (int a = 1; a < argc; a++) {
if (argv[a][0] == '-') {
if (strcmp(argv[a], "-X") == 0) {
if (a + 1 >= argc) {
exit(usage(argv));
}
if (strcmp(argv[a + 1], "emit=bytecode") == 0) {
emit_opt = MP_EMIT_OPT_BYTECODE;
#if MICROPY_EMIT_NATIVE
} else if (strcmp(argv[a + 1], "emit=native") == 0) {
emit_opt = MP_EMIT_OPT_NATIVE_PYTHON;
} else if (strcmp(argv[a + 1], "emit=viper") == 0) {
emit_opt = MP_EMIT_OPT_VIPER;
#endif
} else if (strncmp(argv[a + 1], "heapsize=", sizeof("heapsize=") - 1) == 0) {
char *end;
heap_size = strtol(argv[a + 1] + sizeof("heapsize=") - 1, &end, 0);
// Don't bring unneeded libc dependencies like tolower()
// If there's 'w' immediately after number, adjust it for
// target word size. Note that it should be *before* size
// suffix like K or M, to avoid confusion with kilowords,
// etc. the size is still in bytes, just can be adjusted
// for word size (taking 32bit as baseline).
bool word_adjust = false;
if ((*end | 0x20) == 'w') {
word_adjust = true;
end++;
}
if ((*end | 0x20) == 'k') {
heap_size *= 1024;
} else if ((*end | 0x20) == 'm') {
heap_size *= 1024 * 1024;
}
if (word_adjust) {
heap_size = heap_size * MP_BYTES_PER_OBJ_WORD / 4;
}
} else {
exit(usage(argv));
}
a++;
}
}
}
}
MP_NOINLINE int main_(int argc, char **argv) {
mp_stack_set_limit(40000 * (sizeof(void *) / 4));
pre_process_options(argc, argv);
char *heap = malloc(heap_size);
gc_init(heap, heap + heap_size);
mp_init();
#ifdef _WIN32
set_fmode_binary();
#endif
#if MICROPY_EMIT_NATIVE
// Set default emitter options
MP_STATE_VM(default_emit_opt) = emit_opt;
#else
(void)emit_opt;
#endif
// set default compiler configuration
mp_dynamic_compiler.small_int_bits = 31;
// don't support native emitter unless -march is specified
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_NONE;
mp_dynamic_compiler.nlr_buf_num_regs = 0;
const char *input_file = NULL;
const char *output_file = NULL;
const char *source_file = NULL;
// parse main options
for (int a = 1; a < argc; a++) {
if (argv[a][0] == '-') {
if (strcmp(argv[a], "-X") == 0) {
a += 1;
} else if (strcmp(argv[a], "--version") == 0) {
printf("MicroPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE
"; mpy-cross emitting mpy v" MP_STRINGIFY(MPY_VERSION) "." MP_STRINGIFY(MPY_SUB_VERSION) "\n");
return 0;
} else if (strcmp(argv[a], "-v") == 0) {
mp_verbose_flag++;
} else if (strncmp(argv[a], "-O", 2) == 0) {
if (unichar_isdigit(argv[a][2])) {
MP_STATE_VM(mp_optimise_value) = argv[a][2] & 0xf;
} else {
MP_STATE_VM(mp_optimise_value) = 0;
for (char *p = argv[a] + 1; *p && *p == 'O'; p++, MP_STATE_VM(mp_optimise_value)++) {;
}
}
} else if (strcmp(argv[a], "-o") == 0) {
if (a + 1 >= argc) {
exit(usage(argv));
}
a += 1;
output_file = argv[a];
} else if (strcmp(argv[a], "-s") == 0) {
if (a + 1 >= argc) {
exit(usage(argv));
}
a += 1;
source_file = argv[a];
} else if (strncmp(argv[a], "-msmall-int-bits=", sizeof("-msmall-int-bits=") - 1) == 0) {
char *end;
mp_dynamic_compiler.small_int_bits =
strtol(argv[a] + sizeof("-msmall-int-bits=") - 1, &end, 0);
if (*end) {
return usage(argv);
}
// TODO check that small_int_bits is within range of host's capabilities
} else if (strncmp(argv[a], "-march=", sizeof("-march=") - 1) == 0) {
const char *arch = argv[a] + sizeof("-march=") - 1;
if (strcmp(arch, "x86") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_X86;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_X86;
} else if (strcmp(arch, "x64") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_X64;
mp_dynamic_compiler.nlr_buf_num_regs = MAX(MICROPY_NLR_NUM_REGS_X64, MICROPY_NLR_NUM_REGS_X64_WIN);
} else if (strcmp(arch, "armv6") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV6;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP;
} else if (strcmp(arch, "armv6m") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV6M;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP; // need to be conservative so this code can run on armv7emdp
} else if (strcmp(arch, "armv7m") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV7M;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP;
} else if (strcmp(arch, "armv7em") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV7EM;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP;
} else if (strcmp(arch, "armv7emsp") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV7EMSP;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP;
} else if (strcmp(arch, "armv7emdp") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV7EMDP;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP;
} else if (strcmp(arch, "xtensa") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_XTENSA;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_XTENSA;
} else if (strcmp(arch, "xtensawin") == 0) {
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_XTENSAWIN;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_XTENSAWIN;
} else if (strcmp(arch, "host") == 0) {
#if defined(__i386__) || defined(_M_IX86)
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_X86;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_X86;
#elif defined(__x86_64__) || defined(_M_X64)
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_X64;
mp_dynamic_compiler.nlr_buf_num_regs = MAX(MICROPY_NLR_NUM_REGS_X64, MICROPY_NLR_NUM_REGS_X64_WIN);
#elif defined(__arm__) && !defined(__thumb2__)
mp_dynamic_compiler.native_arch = MP_NATIVE_ARCH_ARMV6;
mp_dynamic_compiler.nlr_buf_num_regs = MICROPY_NLR_NUM_REGS_ARM_THUMB_FP;
#else
mp_printf(&mp_stderr_print, "unable to determine host architecture for -march=host\n");
exit(1);
#endif
} else {
return usage(argv);
}
} else {
return usage(argv);
}
} else {
if (input_file != NULL) {
mp_printf(&mp_stderr_print, "multiple input files\n");
exit(1);
}
input_file = argv[a];
}
}
if (input_file == NULL) {
mp_printf(&mp_stderr_print, "no input file\n");
exit(1);
}
int ret = compile_and_save(input_file, output_file, source_file);
#if MICROPY_PY_MICROPYTHON_MEM_INFO
if (mp_verbose_flag) {
mp_micropython_mem_info(0, NULL);
}
#endif
mp_deinit();
return ret & 0xff;
}
int main(int argc, char **argv) {
mp_stack_ctrl_init();
return main_(argc, argv);
}
uint mp_import_stat(const char *path) {
(void)path;
return MP_IMPORT_STAT_NO_EXIST;
}
void nlr_jump_fail(void *val) {
fprintf(stderr, "FATAL: uncaught NLR %p\n", val);
exit(1);
}